body {
    background: url('../img/bgmac1.jpg') repeat-y 0 -200px;
    background-size: 100%;
}

#fullpage {}

#demo {
    color: white !important;
}

#fullpage .section {
    background-color: rgba(0, 0, 0, 0.5) !important;
}

#menu li a {
    font-size: 1rem !important;
}

#home {
    height: 100% !important;
}

.cicle {
    margin-top: -5rem !important;
}

.introduction {
    margin-top: 5rem !important;
}


/* 去除虚边框 */

a:focus {
    outline: none !important;
}

.skills ul {
    width: 100%;
    height: auto;
    margin-top: 100px;
}

.skills ul li {
    position: relative;
    width: 250px;
    height: 200px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, .5);
    float: left;
    margin: 0 50px 30px 110px;
}

.skills ul li:hover {
    border: 1px solid rgba(255, 255, 255, .9);
}

.skills div.s-title {
    color: white;
    width: 100%;
    height: 100%;
    font-size: 1rem;
}

.skills div.s-title span:first-child {
    display: inline-block;
    margin: 70px auto 10px;
    padding: 10px;
    border-bottom: 1px solid white;
}

.skills ul li p {
    position: absolute;
    top: 20px;
    z-index: 0;
    width: 100%;
    height: 100%;
    padding: 20px;
    font-size: .9rem;
    text-align: left;
    color: rgba(255, 255, 255, .9);
    line-height: 1.5rem;
    display: none;
}

.skills .s-jquery {
    margin-left: 300px;
}